Y3 was a series of
diesel
Diesel may refer to:
* Diesel engine, an internal combustion engine where ignition is caused by compression
* Diesel fuel, a liquid fuel used in diesel engines
* Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...
railcar
A railcar (not to be confused with a railway car) is a self-propelled railway vehicle designed to transport passengers. The term "railcar" is usually used in reference to a train consisting of a single coach (carriage, car), with a dri ...
s operated by
Statens Järnvägar
The Swedish State Railways ( sv, Statens Järnvägar) or SJ, originally the Royal Railway Board ( sv, Kungl. Järnvägsstyrelsen), was the former government agency responsible for operating the state-owned railways in Sweden.
It was created i ...
(SJ) of Sweden. Six units were delivered by
Linke-Hofmann of Germany in 1966–67, with electrical equipment supplied by
ASEA
''Allmänna Svenska Elektriska Aktiebolaget'' (English translation: General Swedish Electrical Limited Company; Swedish abbreviation: ASEA) was a Swedish industrial company.
History
ASEA was founded in 1883 by Ludvig Fredholm in Västerås a ...
. They remained in service until 1990, serving first on the unelectrified services
Stockholm –
Mora and
Malmö
Malmö (, ; da, Malmø ) is the largest city in the Swedish county (län) of Scania (Skåne). It is the third-largest city in Sweden, after Stockholm and Gothenburg, and the sixth-largest city in the Nordic region, with a municipal pop ...
–
Karlskrona, later on
Ystadbanan.
The Y3 served the same purpose as the electric
X9-series. A variation of configurations was used, with the production consisting of six
motor cars, two
cab cars and eleven trailers. With motor cars on each end the Y3 could have six trailers between. Although considered to be the first
double-decker train used in Sweden, only the first and last cars of a Y3 train were built to a design somewhat resembling a
dome car
A dome car is a type of railway passenger car that has a glass dome on the top of the car where passengers can ride and see in all directions around the train. It also can include features of a coach, lounge car, dining car, sleeping car or obse ...
, whereas the middle coaches were all single-decker (unlike in the
X40 and
Stadler DOSTO). The series was prone to fires, since the cooling system didn't work sufficiently for the extremely powerful
Deutz diesel engines introduced in place of the slower and less powerful
Rolls-Royce
Rolls-Royce (always hyphenated) may refer to:
* Rolls-Royce Limited, a British manufacturer of cars and later aero engines, founded in 1906, now defunct
Automobiles
* Rolls-Royce Motor Cars, the current car manufacturing company incorporated in ...
engines. This was solved through rebuilding the cooling system in the 1970s. Some of the bilevel rail cars were taken out of service in 1982 when the Y3 series was relegated to local traffic on the Malmö – Ystad – Tomelilla route, with the last Y3 coaches retired in 1990.
External links
Järnväg.net on Y3
{{Swedish railway stock
Y03
Y03
Double-decker rail vehicles
Train-related introductions in 1966